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107 principal software engineer jobs at 58 companies in Illinois

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Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
Help us #BeatIndeed & #BeatLinkedIn
3mo
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Principal Software Engineer
Chicago, Illinois, United States
$176k-$220k/yr HybridFull Time
Cars Commerce
Cars CommerceNYSE: CARS: Digital platform for car buying, selling, and dealership operations
12+ YOE12+ years software engineering; expert in high-concurrency distributed systems; backend and frontend leadership; TypeScript/Node.js; AI-native tooling; strong data-driven influence.
TypeScript, Node.js, Kafka, MSK, LLMs
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2mo
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Principal Software Engineer - Platform (hybrid)
Chicago, Illinois, United States
$147k-$210k/yr HybridFull Time
Enova International
Enova InternationalNYSE: ENVA: Provides digital lending and credit solutions through machine learning.
7+ YOE7+ years software engineering; 2+ years architect/principal engineer; AI/ML experience; distributed systems; Go/Ruby/AWS; Lean/Agile; SOA; strong communication.
Go, Ruby, AWS, Terraform, Kubernetes, Docker
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1mo
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Principal/Sr. Principal Software Engineer
Rolling Meadows, Illinois, United States
$109k-$163k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
5+ YOEBachelor's in CS/CE or equivalent experience, 5+ years engineering experience (Principal) or 8+ years (Sr Principal). Proficiency in C++, embedded Linux/VxWorks, scripting (Python/Bash), version control (Git/GitLab/GitHub/Bitbucket/ClearCase), Agile/Waterfall; U.S. citizenship and active Secret clearance required.
C++, C++11, Python, Bash, Batch, Linux, VxWorks, Waterfall Methodology, Agile, Git, GitLab, GitHub, Bitbucket, ClearCase, Rally, Jira, DevSecOps, Model-based Engineering
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1mo
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Principal/Sr. Principal Software Engineer
Rolling Meadows, Illinois, United States
$109k-$163k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
5+ YOEUS citizen with active Secret clearance and SAP access; Bachelor’s in CS/CE (or equivalent experience). 5+ years engineering experience (Principal) or 8+ years (Sr Principal). Must have C++, embedded Linux or VxWorks, scripting (Python/Bash), version control (Git/GitLab/GitHub/ClearCase), and Agile/Waterfall experience.
C++, C++11, Python, Bash, Batch, Linux, VxWorks, Git, GitLab, GitHub, Bitbucket, ClearCase, Rally, Jira, Model-based Engineering, DevSecOps, Agile, Waterfall Methodology
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2mo
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Principal, Software Engineering
Chicago or Naperville
$137k-$234k/yr HybridFull Time
Northern Trust
Northern TrustNASDAQ: NTRS: Financial services for individuals, families, and global institutions.
10+ YOE10+ years of software engineering; strong Java; Azure cloud; TDD/contract-first; CI/CD; cloud databases; leadership by influence; excellent communication.
Java, Azure, CI/CD, DevOps, TDD, Spec-driven development, Cloud databases
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1mo
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Principal Engineer
Alabama or Arizona or Arkansas or California or Colorado or Connecticut or Florida or Georgia or Hawaii or Idaho or Illinois or Indiana or Iowa or Kansas or Kentucky or Maryland or Massachusetts or Michigan or Minnesota or Missouri or Nevada or New Hampshire or New Jersey or New Mexico or New York or North Carolina or Ohio or Oklahoma or Oregon or Pennsylvania or Rhode Island or South Carolina or Tennessee or Texas or Vermont or Virginia or Washington or Wisconsin
$210k-$262k/yr RemoteFull Time
Fuze Health
Fuze Health: Integrated digital health, home diagnostics, and virtual pharmacy platform.
10+ YOEBachelor's in CS or related; 10+ years software engineering experience with 3+ years at staff/principal level; deep expertise in AWS, PostgreSQL, Ruby on Rails, Python, TypeScript/JavaScript; experience building scalable, high-throughput systems; strong communication; U.S. work authorization required.
AWS, PostgreSQL, Ruby on Rails, Python, TypeScript, JavaScript, Slack, GSuite, Jira, HL7, FHIR, NCPDP, EHR
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2mo
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Principal Software Development Engineer (Customer Insight & AI Solutions)
Buffalo Grove or United States or United States
$144k-$288k/yr RemoteFull Time
CVS Health
CVS HealthNYSE: CVS: Provides retail pharmacy, health insurance, and pharmacy benefit management services.
10+ YOE10+ years in full-stack software engineering; 5+ years in senior/principal/architect roles; 5+ years frontend (Angular/React) and backend (Python/Java); 3+ years AI/GenAI; Agile/Scrum; cloud native, API-first, microservices.
Angular, React, Python, Java, REST API, AWS, Azure, GCP, GKE, BigQuery, Spanner, BigTable, CI/CD, API-first, Microservices
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1w
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Principal Software Engineer
Rothschild or Alabama or Arkansas or Arizona or Colorado or Florida or Georgia or Illinois or Indiana or Kentucky or Louisiana or Maryland or Michigan or Minnesota or Missouri or Mississippi or North Carolina or New Jersey or Nevada or New York or Ohio or Oklahoma or Oregon or South Carolina or Tennessee or Texas or Utah or Virginia or Washington or Wisconsin
$135k-$160k/yr RemoteFull Time
Foundation Finance Company
Foundation Finance Company: Provides flexible consumer financing for home improvement contractors.
7+ YOEBachelor's in computer science/engineering,7+ years development experience,technical certifications a plus,ability to present to senior leadership and respond to stakeholder inquiries.
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1mo
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Principal Software Engineer
Toronto or California or Colorado or Illinois or New York or Washington or New York City
$184k-$276k/yr RemoteFull Time
Okta
OktaNASDAQ: OKTA: Provide secure identity management and authentication for enterprises.
8+ YOE8+ years software engineering experience (3+ years senior/staff leadership), proven large-scale distributed systems design, microservices/event-driven expertise, proficiency in Java/Kotlin/Go, cloud infrastructure experience preferred, BS in CS or equivalent.
Java, Kotlin, Go, AWS, GCP, Azure
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3mo
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Principal AI Engineer
Chicago, Illinois, United States
$97k-$189k/yr HybridFull Time
CNA
CNANYSE: CNA: Provides commercial property and casualty insurance and risk management.
9+ YOELead principal AI engineer with 9+ years in software engineering and 6+ years in application development; 2+ years building or operating AI-augmented development tools; expert in AI-native software, CI/CD, and security.
Claude Code, Cursor, GitHub Copilot, GCP, Terraform, Kubernetes, GitHub Actions, Artifactory
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2mo
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Principal Software Engineer II
Deerfield, Illinois, United States
$166k-$282k/yr HybridFull Time
Walgreens
Walgreens: Retail pharmacy providing prescriptions and health and wellness products.
8+ YOE5+ Mgmt8+ years software engineering experience (or 11+ with HS/GED). Experience with complex online applications, Unix/Linux, C++/Java/Node, service-oriented or microservice architectures, cross-functional leadership, and contributing to financial decisions.
Unix/Linux, C++, Java, Node, Service Oriented Architecture, Azure, AWS, Docker, Kubernetes, Android, Scrum, TDD
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3w
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Principal Software Engineer - AI
Woodland Hills or Los Angeles or Alabama or Arizona or California or Colorado or Connecticut or Florida or Georgia or Illinois or Indiana or Kentucky or Massachusetts or Michigan or North Carolina or New Jersey or Nevada or New York or Ohio or Pennsylvania or South Carolina or Texas or Utah or Virginia
$200k-$230k/yr HybridFull Time
Convoso
Convoso: AI-powered contact center platform for outbound sales teams.
10+ YOE10+ years software engineering experience, 5+ years backend work in Python or PHP, expertise building LLM-based AI agent systems, production LLM API integration, MySQL proficiency, and automated testing for AI workflows.
LLM, OpenAI, Claude, GitHub Copilot, MySQL, Python, Django, Flask, PHP, Symfony, Laravel, React
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1mo
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Principal Software Engineer - AWS
Chicago or Scottsdale or San Francisco or New York City or Phoenix
$173k-$276k/yr HybridFull Time
Early Warning Services
Early Warning Services: Operates payment and risk solutions for the financial industry.
15+ YOE15+ years software engineering experience with 8+ years in FinTech; hands-on full‑stack design and architecture, cloud/containerization, CI/CD, test automation, Java/J2EE/Spring, messaging, Oracle PL/SQL, Git, and strong communication.
Java, J2EE, JUnit, Tomcat, Spring Boot, Spring Core, Kafka, Tibco EMS, JMS, Oracle PL/SQL, JavaScript, jQuery, AngularJS, Git, Chef, Maven, Jenkins, AWS, Google Cloud, Microsoft Azure, SVN, Jira, Bugzilla, Confluence, Splunk, Altiris, Zabbix, Terraform, AppDynamics, C#, Ruby, Python, PHP, Kubernetes
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1mo
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Principal Software Engineer
Hartford or Charlotte or Columbus or Chicago
$168k-$253k/yr HybridFull Time
The Hartford
The HartfordNYSE: HIG: Provides business and personal insurance, group benefits, and investments.
12+ YOE12+ years enterprise application development experience, bachelor’s degree in CS/Engineering required, hands-on with Java, Spring Boot, Angular/TypeScript, SQL, cloud (AWS), APIs/microservices, observability tools; strong communication and AI-first experience.
Java, Spring Boot, Angular, TypeScript, SQL, AWS, Application Insights, Splunk, APIs, microservices, event-driven architectures, Identity and Access Management, AI frameworks, CI/CD, DevSecOps
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2mo
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Principal Engineer Software - Storage (Chronosphere)
Burbank or Denver or Chicago or Austin or Jacksonville or Hartford or Bridgeport or Seattle or Boston or New York City
$147k-$238k/yr RemoteAll Commitments Available
Palo Alto Networks
Palo Alto NetworksNASDAQ: PANW: Provides enterprise-grade network, cloud, and endpoint security software.
Design and build scalable backend services for high-volume telemetry data; strong backend skills; cloud infra experience; API design; mentorship.
Go, Java, Python, Rust, AWS, GCP, Azure, REST, gRPC, GraphQL
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2w
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Principal Engineer, Software Engineering
Rockford, Illinois, United States
$127k-$205k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
8+ YOE3+ MgmtBachelor's in CS/EE or related with 8+ years (or Master's with 5+ years); 5+ years embedded C; 3+ years leading 10–20 person teams; 3+ years DO-178B/C and generator/bus power control software experience; U.S. work authorization required without sponsorship.
embedded C, DO-178B/C
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1w
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Principal Software Engineer
Chicago, Illinois, United States
$118k-$123k/yr HybridFull Time
Morningstar
MorningstarNASDAQ: MORN: Provides financial data, investment research, and asset management services.
6+ YOE3+ MgmtBachelor's in CS/CE/IT with 8+ years (or Master's with 6+ years); 5+ years designing cloud-native AI solutions; 3+ years leadership; experience with AWS, Azure, OpenAI, Python, Java, Docker, Kubernetes; strong communication and debugging skills.
OpenAI, Azure, AWS, Docker, Kubernetes, AWS Fargate, SonarQube, Python, Java
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6d
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Principal Software Engineer
Austin or Toronto or Alabama or California or Florida or Georgia or Illinois or Indiana or Kansas or Kentucky or Maryland or Michigan or Missouri or North Carolina or Ohio or Oregon or Rhode Island or Tennessee or Texas or Virginia
RemoteFull Time
Skimmer
Skimmer: Providing business management software for pool service professionals.
Technical leader with hands-on experience building and replatforming SaaS products, team leadership, proficiency with NodeJS, C#, PostgreSQL and Microsoft SQL, and experience using AI tools (Claude preferred).
Claude, NodeJS, C#, PostgreSQL, Microsoft SQL
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1w
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Principal Software Engineer – Data and Billing QA
Overland Park or New York or Chicago
$111k-$143k/yr OnsiteFull Time
Cboe
CboeBATS: CBOE: Operates global market infrastructure and provides tradable financial products.
Principal-level engineering expertise with AI/agentic tooling, strong Python/Java/C++ skills, Linux, Kafka/Avro/Kudu/Snowflake, CI/CD (Jenkins), SQL and Git; bachelor's degree or equivalent experience.
Claude Code, OpenAI Codex, LangChain, AutoGen, Python, Java, C++, Linux, Kafka, Avro, Kudu, Snowflake, PostgreSQL, MySQL, Oracle, SQL, Jira, Confluence, Git, Jenkins
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1w
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Principal Systems Software Engineer
Santa Clara or Champaign
$272k-$431k/yr OnsiteFull Time
NVIDIA
NVIDIANASDAQ: NVDA: Designs graphics processing units and artificial intelligence hardware.
15+ YOE15+ years software development experience; strong C++, Java or Scala skills; CUDA/C++ experience; distributed systems and OSS data platform familiarity; BS/MS/PhD or equivalent.
Apache Spark, Velox, Presto, Apache Arrow, Apache DataFusion, cuDF, CCCL, UCX, CUDA, C++, Java, Scala, AWS EMR, Databricks, Google Dataproc, Oracle Cloud Data Flow, Bytedance Volcengine, Tencent Cloud, Cloudera, RAPIDS
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